Table 4 Summary estimates (95% CIs) for health outcomes meta-analyses

BMI

Nutrition only

1

479

364

−0.04

−0.28, 0.20

n/a

n/a

Physical Activity only

3

772

658

−0.38

−0.73, −0.03*

86%

0.08

Physical Activity & Nutrition

9

6520

7108

−0.11

−0.24, 0.02

84%

0.03

zBMI

Nutrition only

1

479

364

−0.01

−0.09, 0.07

n/a

n/a

Physical Activity only

1

102

94

−0.47

−0.69, −0.25*

n/a

n/a

Physical Activity & Nutrition

7

5672

5512

0

−0.04, 0.03

41%

0

Standardised mean diff.

95% CI

I ²

Tau

Physical Activity

Nutrition only

1

416

335

0.02

−0.02, 0.06

n/a

n/a

Physical Activity only

2

671

563

0.17

−0.16, 0.50

93%

0.05

Physical Activity & Nutrition

6

3244

2946

0.14

0.03, 0.26*

66%

0.01

Physical Fitness

Physical Activity only

2

396

298

0.35

−0.20, 0.90

95%

0.15

Physical Activity & Nutrition

3

2059

2171

0.12

0.04, 0.20*

0%

0

Fat intake

Nutrition only

7

2205

2011

−0.08

−0.21, 0.05

68%

0.02

Physical Activity & Nutrition

10

6498

5962

−0.04

−0.20, 0.12

95%

0.06

Fruit & Vegetable intake

Nutrition only

9

3293

2917

0.15

0.02, 0.29*

83%

0.03

Physical Activity & Nutrition

4

3507

3105

0.04

−0.18, 0.26

79%

0.04

Depression

Emotional well-being

2

3252

2847

0.06

−0.00, 0.13

0%

0

Anti-bullying

1

1106

1118

0

−0.08, 0.08

n/a

n/a

Odds ratio

95% CI

I ²

Tau

Tobacco use

Tobacco only

3

2244

2503

0.77

0.64, 0.93*

16%

0

Multiple Risk Behaviour

5

5503

4489

0.84

0.76, 0.93*

0%

0

Emotional well-being

1

315

315

0.79

0.59, 1.06

n/a

n/a

Alcohol only

1

1005

896

0.74

0.61, 0.90*

n/a

n/a

Alcohol use

Alcohol only

2

3506

3975

0.72

0.34, 1.52

82%

0.25

Multiple Risk Behaviour

4

4496

3644

0.75

0.55, 1.02

78%

0.07

Emotional well-being

1

809

810

1.13

0.76, 1.67

n/a

n/a

Substance use

Multiple Risk Behaviour

3

3804

3016

0.57

0.29, 1.14

71%

0.26

Alcohol only

2

3506

3975

0.94

0.78, 1.12

0%

0

Emotional well-being

1

233

233

0.81

0.57, 1.15

n/a

n/a

Violence

Violence prevention

1

929

1161

1.13

0.61, 2.07

n/a

n/a

Multiple Risk Behaviour

3

3806

3014

0.5

0.23, 1.09

93%

0.42

Being bullied

Anti-bullying

6

13993

12263

0.83

0.72, 0.96*

61%

0.02

Multiple Risk Behaviour

1

2635

2108

0.97

0.90, 1.05

n/a

n/a

Emotional well-being

1

481

482

0.88

0.68, 1.13

n/a

n/a

Bullying others

Anti-bullying

6

13949

12227

0.9

0.78, 1.04

67%

0.02

Multiple Risk Behaviour

1

195

168

0.49

0.34, 0.71*

n/a

n/a